:Nitric oxide reductase (cytochrome c)

{{Infobox enzyme

| Name = Nitric oxide reductase (cytochrome c)

| EC_number = 1.7.2.5

| CAS_number =

| GO_code =

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Nitric oxide reductase (cytochrome c) ({{EC number|1.7.2.5}}) is an enzyme with systematic name nitrous oxide:ferricytochrome-c oxidoreductase.{{cite journal | vauthors = Hendriks J, Warne A, Gohlke U, Haltia T, Ludovici C, Lübben M, Saraste M | title = The active site of the bacterial nitric oxide reductase is a dinuclear iron center | journal = Biochemistry | volume = 37 | issue = 38 | pages = 13102–9 | date = September 1998 | pmid = 9748316 | doi = 10.1021/bi980943x }}{{cite journal | vauthors = Hendriks J, Gohlke U, Saraste M | title = From NO to OO: nitric oxide and dioxygen in bacterial respiration | journal = Journal of Bioenergetics and Biomembranes | volume = 30 | issue = 1 | pages = 15–24 | date = February 1998 | pmid = 9623801 | doi = 10.1023/A:1020547225398 }}{{cite journal | vauthors = Heiss B, Frunzke K, Zumft WG | title = Formation of the N-N bond from nitric oxide by a membrane-bound cytochrome bc complex of nitrate-respiring (denitrifying) Pseudomonas stutzeri | journal = Journal of Bacteriology | volume = 171 | issue = 6 | pages = 3288–97 | date = June 1989 | pmid = 2542222 | pmc = 210048 }}{{cite journal | vauthors = Cheesman MR, Zumft WG, Thomson AJ | title = The MCD and EPR of the heme centers of nitric oxide reductase from Pseudomonas stutzeri: evidence that the enzyme is structurally related to the heme-copper oxidases | journal = Biochemistry | volume = 37 | issue = 11 | pages = 3994–4000 | date = March 1998 | pmid = 9521721 | doi = 10.1021/bi972437y }}{{cite journal | vauthors = Kumita H, Matsuura K, Hino T, Takahashi S, Hori H, Fukumori Y, Morishima I, Shiro Y | title = NO reduction by nitric-oxide reductase from denitrifying bacterium Pseudomonas aeruginosa: characterization of reaction intermediates that appear in the single turnover cycle | journal = The Journal of Biological Chemistry | volume = 279 | issue = 53 | pages = 55247–54 | date = December 2004 | pmid = 15504726 | doi = 10.1074/jbc.M409996200 | doi-access = free }}{{cite journal | vauthors = Hino T, Matsumoto Y, Nagano S, Sugimoto H, Fukumori Y, Murata T, Iwata S, Shiro Y | title = Structural basis of biological N2O generation by bacterial nitric oxide reductase | journal = Science | volume = 330 | issue = 6011 | pages = 1666–70 | date = December 2010 | pmid = 21109633 | doi = 10.1126/science.1195591 }} This enzyme catalyses the following chemical reaction

: 2 nitric oxide + 2 ferrocytochrome c + 2 H⁺ $\backslash rightleftharpoons$ nitrous oxide + 2 ferricytochrome c + H₂O

The enzyme from Pseudomonas aeruginosa contains a dinuclear centre.